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Meta plugin duplicates YAML frontmatter values #6943

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4 tasks done
Guts opened this issue Mar 20, 2024 · 2 comments
Closed
4 tasks done

Meta plugin duplicates YAML frontmatter values #6943

Guts opened this issue Mar 20, 2024 · 2 comments
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duplicate Issue is a duplicate of another issue

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@Guts
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Guts commented Mar 20, 2024

Context

No response

Bug description

When the meta plugin is enabled, the page metadata seems to be duplicated. I realized this because I use the value of authors to add tags in the extrahead block.

That's why I took the liberty of including a theme customization in the reproduction.

Related links

Potential related issues:

Reproduction

9.5.14+insiders.4.53.2-meta-plugin-duplicates-frontmatter.zip

Steps to reproduce

  1. Enable meta plugin and add some authors in YAML frontmatter:

    ---
authors:
    - Martin
---

# Welcome to MkDocs

[...]

  2. Use this variable somewhere, for example in a template extension:

    {% for a in page.meta.authors %}
  {% if page_author != config.site_author %}
    <meta name="author" content="{{ a }}">
  {% endif %}
{% endfor %}

  3. mkdocs build

  4. result:

<head>
[...]
<meta name="author" content="Martin">
<meta name="author" content="Martin">
[...]
</head>

Browser

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Before submitting
@Guts
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Guts commented Mar 20, 2024

possible cause: Front matter meta should override .meta.yml defaults #6914 in https://github.com/squidfunk/mkdocs-material-insiders/commit/ef7c754a9e076bcab726e71ce350f9b9d3ff8094

I confirm that getting back to mkdocs-material-9.5.13-insiders-4.53.1 is "solving" the issue.

@Guts Guts mentioned this issue Mar 20, 2024
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@squidfunk
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Thanks for reporting. This is a duplicate of #6941.

@squidfunk squidfunk added the duplicate Issue is a duplicate of another issue label Mar 21, 2024
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@squidfunk @Guts